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Finding the Fourth Proportional to 530,495.04, 732,237.76 and 346,760.32

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Solution

The fourth proportional to 530,495.04, 732,237.76 and 346,760.32 is: 478,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,495.04 : 732,237.76 = 346,760.32 : x
  2. Step 2: Convert to fraction form
    530,495.04/732,237.76 = 346,760.32/x
  3. Step 3: Cross multiply
    530,495.04x = 732,237.76 × 346,760.32
  4. Step 4: Simplify right side
    530,495.04x = 253,910,999,973.68
  5. Step 5: Solve for x
    x = 253,910,999,973.68/530,495.04
  6. Step 6: Final answer
    x = 478,630.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.