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Finding the Fourth Proportional to 602,636.76, 831,567.06 and 357,582.60

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Solution

The fourth proportional to 602,636.76, 831,567.06 and 357,582.60 is: 493,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,636.76 : 831,567.06 = 357,582.60 : x
  2. Step 2: Convert to fraction form
    602,636.76/831,567.06 = 357,582.60/x
  3. Step 3: Cross multiply
    602,636.76x = 831,567.06 × 357,582.60
  4. Step 4: Simplify right side
    602,636.76x = 297,353,911,389.16
  5. Step 5: Solve for x
    x = 297,353,911,389.16/602,636.76
  6. Step 6: Final answer
    x = 493,421.46

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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.