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Finding the Fourth Proportional to 604,802.30, 907,312.80 and 304,527.20

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Solution

The fourth proportional to 604,802.30, 907,312.80 and 304,527.20 is: 456,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,802.30 : 907,312.80 = 304,527.20 : x
  2. Step 2: Convert to fraction form
    604,802.30/907,312.80 = 304,527.20/x
  3. Step 3: Cross multiply
    604,802.30x = 907,312.80 × 304,527.20
  4. Step 4: Simplify right side
    604,802.30x = 276,301,426,508.16
  5. Step 5: Solve for x
    x = 276,301,426,508.16/604,802.30
  6. Step 6: Final answer
    x = 456,845.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.